Re: MF135 Questions

Posted by david on January 01, 2003 at 07:03:23 from (64.12.96.236):

In Reply to: MF135 Questions posted by Ten on January 01, 2003 at 05:24:46:

Time to rebuild is correlated more to care rather than hours. I've got tractors with over 8000 hrs on the origional engines. Got another one I bought with 4400 hrs on it and knew it needed an overhaul, guy told me it had never been touched. Got into it and it had been overhauled twice. All the bore had been ttaken and all the turn out of the crank. Wound up putting an extra 2000 in it.

Basic rebuild: (this varies some with brand, should be a good high side est for the Perkins, they run pretty affordable)

Piston Assemblies: $150.00 each X # of cylinders
Main and Rod Bearings: $150.00
Gasket Set: $120.00
Machine Shop: $800.00
(disassemble short block, hot tank, pressure test, bore, turn crank, assemble short block, over haul cylinder head)
Rebuilt Clutch/PP/ Throwout bearing: $350.00
Misc Supplies: oil, antifreeze: $100.00
Clean injectors/rebuild injectors: $50.00 each

If you pull the engine yourself and reinstall that should be it. I usually charge about $500.00 to pull the engine, take to shop, put it all back on, and get it running.

Main things to look (listen) for:

1. Blow by from crankcase vent pipe, a lot of blow by or any oil and it means oh soon. Check after 2 hrs of hard running
2. Run engine to operating temp. Bring to 1800 rpm with a PTO load. Run 5 mins. Push throttle all the down to idle. Any "knocking" as it idles down would be bad.

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